Fixation device for pelvis

A fixation device for pelvis, comprising:

• (a) a front fixation plate;
• the front fixation plate comprises a first left-side piece and a first right-side piece;
• the first left-side piece comprises a first cavity and a first feeding port;
• the first right-side comprises a second cavity and a second feeding port;
• and
• (b) a rear fixation plate;
• the rear fixation plate comprises a second left-side piece and a second right-side piece;
• the second left-side piece comprises a third cavity and a third feeding port;
• the second right-side panel comprises a fourth cavity and a fourth feeding port;
• wherein:
• the front fixation plate is adapted to cover a front side of a waist and thighs of a patient, and a abdomen of the patient;
• the rear fixation plate is adapted to cover a back side of the waist and the thighs of the patient, and a hip of the patient;
• the front fixation plate and the rear fixation plate are detachably connected to each other to form a space for receiving the waist, the hip and the thighs;
• the first left-side piece and the first right-side piece are connected to each other at a position corresponding to the waist and the abdomen;
• the second left-side panel and the second right-side panel are connected to each other at a position corresponding to the waist and the hip;
• the first, second, third and fourth cavities are respectively disposed in the first left-side piece, the first right-side piece, the second left-side piece and the second right-side piece;
• the first, second, third and fourth feeding ports are respectively disposed on the first left-side piece, the first right-side piece, the second left-side piece and the second right-side piece;
• and
• the first, second, third and fourth feeding ports respectively communicate with the first, second, third and fourth cavities;
• and
• when in use, the first, second, third, and fourth cavities are respectively filled with polyurethane slurry through the first, second, third, and fourth feeding ports;
• and after the polyurethane slurry solidifies, the shapes of the first left-side piece, the first right-side piece, the second left-side piece and the second right-side piece are matched to the waist, the abdomen, the thighs, and the hip.